CN208475641U - Cold and hot oil switching Oil-temperature control machine - Google Patents

Cold and hot oil switching Oil-temperature control machine Download PDF

Info

Publication number
CN208475641U
CN208475641U CN201820912203.1U CN201820912203U CN208475641U CN 208475641 U CN208475641 U CN 208475641U CN 201820912203 U CN201820912203 U CN 201820912203U CN 208475641 U CN208475641 U CN 208475641U
Authority
CN
China
Prior art keywords
circulation
heat
pipeline
temperature
cover plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201820912203.1U
Other languages
Chinese (zh)
Inventor
吴俊�
张永林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Ouneng Machinery Co Ltd
Original Assignee
Nanjing Ouneng Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Ouneng Machinery Co Ltd filed Critical Nanjing Ouneng Machinery Co Ltd
Priority to CN201820912203.1U priority Critical patent/CN208475641U/en
Application granted granted Critical
Publication of CN208475641U publication Critical patent/CN208475641U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Control Of Temperature (AREA)

Abstract

The utility model discloses a kind of cold and hot oil switching Oil-temperature control machines, including castor, rack, electric cabinet, temperature controller, fuel tank is equipped in rack, heat-generating pipe, gas collecting jar with ground-on cover plate, heat exchanger and circulation pumping, gas collecting jar with ground-on cover plate, circulation is pumped through pipeline and is sequentially connected with and is equipped with repairing pipeline and drain line on it, circulation be pumped through pipeline and electronic ratio triple valve respectively with heat-generating pipe, heat exchanger is connected, heat-generating pipe, heat exchanger passes through circulation vector outlet pipe respectively and is connected with client's terminal mould, client's terminal mould is connected by circulation vector inlet pipe with gas collecting jar with ground-on cover plate, it is connected by pipeline with fuel tank above gas collecting jar with ground-on cover plate, the water inlet of heat exchanger is connected with cooling water inlet pipe, water outlet is connected with cooling water outlet tube;Liquid level sensor is equipped in fuel tank, fuel tank is equipped with pouring orifice and oil spilling mouth, and heat-generating pipe is equipped with over-temperature sensor;The Oil-temperature control machine heating pipeline and cooling line of the utility model are connected in parallel, and maintenance is convenient, and control precision is high, are suitble to commercial introduction.

Description

Cold and hot oil switching Oil-temperature control machine
Technical field
The utility model relates to die heater fields, and in particular to a kind of cold and hot oil switching Oil-temperature control machine.
Background technique
Oil temperature machine is the die heater using conduction oil as medium, itself is equipped with fuel tank, and conduction oil is entered by fuel tank when work System is pumped into mold or other equipment for needing temperature control through circulating pump, and conduction oil again returns to after being come out by temperature controlling instruments and is System is recycled, and conduction oil heats up by heater, when the media temperature that temperature-sensing probe detects is lower than setting value, heater It starts to work, when reaching setting value, heater stops working, when being higher than setting value, heat exchanger heat exchange cooling.Existing oil temperature machine Usually heat exchanger, heater, circulating pump etc. are connected in series, when heat exchanger, heater easily cause complete machine when something goes wrong Failure is also unfavorable for maintenance overhaul.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of cold and hot oil switching Oil-temperature control machine: including castor And the bottom of rack is arranged in rack, castor, rack is equipped with electric cabinet, and fuel tank, fever is arranged in sequence in rack from top to bottom Pipe, gas collecting jar with ground-on cover plate, heat exchanger and circulation pumping, gas collecting jar with ground-on cover plate, circulation are pumped through pipeline and are sequentially connected with, gas collecting jar with ground-on cover plate, circulation pumping Between pipeline on be arranged in sequence the repairing pipeline and drain line being connected with fuel tank, circulation is pumped through pipeline and electronic ratio Triple valve is connected with heat-generating pipe, heat exchanger respectively, and heat-generating pipe, heat exchanger pass through circulation vector outlet pipe and client mould respectively Tool is connected, and client's terminal mould is connected by passing through the circulation vector inlet pipe of rack with gas collecting jar with ground-on cover plate, pass through above gas collecting jar with ground-on cover plate pipeline and Fuel tank be connected, the water inlet of heat exchanger with pass through rack cooling water inlet pipe be connected, water outlet and across rack cooling water Outlet pipe is connected;The first high temperature break valve, high-temperature filter, second temperature sensor are arranged in sequence on circulation vector inlet pipe, recycles Pressure gauge, the first temperature sensor, the second high temperature break valve are arranged in sequence in medium outlet pipe, the first temperature sensor passes through temperature control Device is connected with electric cabinet, the pipeline in circulation vector outlet pipe between the first temperature sensor and the second high temperature break valve be equipped with The bypass circulation being connected at the nearly gas collecting jar with ground-on cover plate of circulation vector inlet pipe, cooling water inlet pipe is equipped with ratio adjusting valve, on cooling water outlet tube Equipped with check-valves, repairing pipeline is equipped with the first ball valve, and the pipeline between circulation pumping and heat-generating pipe is equipped with low pressure limiter, Pipeline between gas collecting jar with ground-on cover plate and fuel tank is equipped with the exhaust solenoid valve for exhaust, is equipped with liquid level sensor in fuel tank, on fuel tank Equipped with pouring orifice and oil spilling mouth, heat-generating pipe is equipped with over-temperature sensor, and electric cabinet is electrically connected with circulation pumping, heat-generating pipe, temperature control Device and ratio adjusting valve, exhaust solenoid valve, electronic ratio triple valve are electrically connected;
Further, the second ball valve and oil discharge outlet is arranged in sequence on the drain line.
Compared with prior art, the utility model has the advantages that: the cold and hot oil switching Oil-temperature control machine of the utility model is logical Crossing electronic ratio triple valve heating pipeline and the mode of cooling line series connection will change into and be connected in parallel in existing temperature controlling machine, The phenomenon that avoiding heater or heat exchanger in the existing temperature controlling machine complete machine is shut down when something goes wrong, while also side is connected in series Just Oil-temperature control machine overhauling;By setting liquid level sensor, pressure gauge and various temperature sensor in electronic ratio triple valve Liquid level, the pressure and temperature in pipe-line system carry out real-time monitoring, by electric cabinet and temperature controller intelligent control whole device, Realize the automation and accurate control to whole device;The heating pipe-line system of closed cycle design simultaneously, improves thermal energy The utilization rate recycled, save the energy;The setting of the safeguard measures such as bypass circulation, repairing pipeline and drain line is perfect Safeguard protection to the present apparatus makes it be more suitable for commercial introduction use.
Detailed description of the invention
Fig. 1 is the piping connection schematic diagram of the cold and hot oil switching Oil-temperature control machine of the utility model;
Fig. 2 is the structural schematic diagram of the cold and hot oil switching Oil-temperature control machine of the utility model;
Fig. 3 is the right view of the cold and hot oil switching Oil-temperature control machine of the utility model;
Fig. 4 is the way circuit figure of the cold and hot oil switching Oil-temperature control machine of the utility model
Fig. 5 is the electric operation control circuit figure of the cold and hot oil switching Oil-temperature control machine of the utility model
Fig. 6 is the electric operation control circuit figure of the temperature controller of the cold and hot oil switching Oil-temperature control machine of the utility model
Fig. 7 is the wiring diagram of terminal block in Fig. 6
Title in figure: 1- gas collecting jar with ground-on cover plate, 2- heat-generating pipe, 3- heat exchanger, 4- high-temperature filter, the first high temperature break valve of 5-, 6- castor, 7- circulation pumping, 8- electric cabinet, 9- ratio adjusting valve, 10- cooling water outlet tube, 11- cooling water inlet pipe, the second temperature of 12- Spend sensor, 13- low pressure limiter, 14- third temperature sensor, 15- pressure gauge, the second ball valve of 16-, 17- pouring orifice, 18- Liquid level sensor, 19- fuel tank, 20- exhaust solenoid valve, 21- oil spilling mouth, 22- temperature controller, the first temperature sensor of 23-, 24- One ball valve, the electronic ratio triple valve of 25-, 26- oil discharge outlet, the second high temperature break valve of 27-, 28- circulation vector inlet pipe, 29- circulation Medium outlet pipe, 30- rack
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.
The utility model is described in further detail below with reference to embodiment and specific embodiment.
As shown in Figure 2,3, a kind of cold and hot oil switching Oil-temperature control machine, including castor 6 and rack 30, castor 6 are arranged in machine The bottom of frame 30, rack 30 are equipped with electric cabinet 8, are equipped in rack 30 and carry out the cooling heat exchanger 3 of heat exchange for system, use Come give circulation vector expansion space, systems stabilisation pressure and improve oil temperature fuel tank 19, be used to for circulation vector and visitor Family terminal mould carries out heat exchange and provides the circulation pumping 7 of power resources, for heat cycles medium, provides the heat-generating pipe 2 of heat source, It for collection system steam and is emitted into the gas collecting jar with ground-on cover plate 1 of fuel tank 19, fuel tank 19, heat-generating pipe 2, gas collecting jar with ground-on cover plate 1, heat exchanger 3 and follows Ring pumping 7 is sequentially arranged from top to bottom in rack 30, as shown in Figure 1, gas collecting jar with ground-on cover plate 1, circulation pumping 7 are sequentially connected by pipeline It connects, the repairing pipeline and drain line being connected with fuel tank 19 is arranged in sequence on the pipeline between gas collecting jar with ground-on cover plate 1, circulation pumping 7, recycles Pumping 7 is connected with heat-generating pipe 2, heat exchanger 3 respectively by pipeline and electronic ratio triple valve 25, heat-generating pipe 2, heat exchanger 3 Being connected respectively by circulation vector outlet pipe 29 with client's terminal mould will heat through heat-generating pipe 2 or be cooled to through over-heat-exchanger 3 pre- If the circulation vector of temperature, which exports, gives client's terminal mould, client's terminal mould is by passing through the circulation vector inlet pipe 28 of rack 30 and collecting Inflator 1, which is connected, receives the circulation vector of client mold output, is connected by pipeline with fuel tank 19 above gas collecting jar with ground-on cover plate 1 and guides gas collection Steam in cylinder 1 enters fuel tank 19 from pipeline, the water inlet of heat exchanger 3 is connected with the cooling water inlet pipe 11 across rack 30, Water outlet is connected with the cooling water outlet tube 10 for passing through rack 30;
The first high temperature break valve 5, high-temperature filter 4, second temperature sensor 12 are arranged in sequence on circulation vector inlet pipe 28, The temperature of the circulation vector exported from client's terminal mould is monitored by second temperature sensor 12, while realizing detection heat indirectly The degree of mobility of matchmaker's pipe filters the impurity from the circulation vector exported in client's terminal mould by high-temperature filter 4, guarantees heat Matchmaker's pipe it is unobstructed, pass through the circulation matchmaker exported from client's terminal mould in 5 control loop medium inlet pipe 28 of the first high temperature break valve The flow of Jie;
Pressure gauge 15, the first temperature sensor 23, the second high temperature break valve 27 are arranged in sequence in circulation vector outlet pipe 29, leads to Excess pressure table 15 shows that the pipeline pressure in circulation vector outlet pipe 29, the first temperature sensor 23 pass through temperature controller 22 and electric cabinet 8 are connected, and the temperature of the circulation vector exported from heat-generating pipe 2 in circulation vector outlet pipe 29 is detected by the first temperature sensor 23 And subsequent heat signal is supplied to by electric cabinet 8 by temperature controller 22, pass through 27 circulation vector outlet pipe 29 of the second high temperature break valve In the flow of circulation vector that is exported from from heat-generating pipe 2;
Pipeline in circulation vector outlet pipe 29 between first temperature sensor 23 and the second high temperature break valve 27 be equipped with The bypass circulation being connected at the nearly gas collecting jar with ground-on cover plate 1 of circulation vector inlet pipe 28, bypass circulation have worked and client mould in circulation pumping 7 Pass through decompression protection circulation pumping 7 when tool breaks down or the first high temperature break valve 5, the second high temperature break valve 27 are not opened;
Cooling water inlet pipe 11 is equipped with ratio adjusting valve 9, controls cooling water in cooling water inlet pipe 11 by ratio adjusting valve 9 Into the flow of heat exchanger 3;
Cooling water outlet tube 10 is equipped with check-valves, controls the flow that cooling water is exported from heat exchanger 3 by check-valves;
The second ball valve 16 and oil discharge outlet 26 are arranged in sequence on drain line, it is logical when cold and hot oil switching Oil-temperature control machine failure It crosses the second ball valve 16 control drain line and opens the circulation vector from 26 discharge line system of oil discharge outlet, facilitate subsequent maintenance;
First ball valve 24 on repairing pipeline recycles after cold and hot oil switching Oil-temperature control machine trouble hunting or in pipe-line system The unlatching of repairing pipeline is controlled by the first ball valve 24 when medium is very few and supplements circulation vector from fuel tank 19;
Pipeline between circulation pumping 7 and heat-generating pipe 2 is equipped with low pressure limiter 13, by low pressure limiter 13 to pipeline Interior pressure is monitored, and heating is disconnected when system pressure is low;
Pipeline between gas collecting jar with ground-on cover plate 1 and fuel tank 19 is equipped with the exhaust solenoid valve 20 for exhaust, passes through exhaust solenoid valve 20 control exhaust switch valves, guarantee stable gas pressure in pipe-line system;
Liquid level sensor 18 is equipped in fuel tank 19, fuel tank 19 is equipped with pouring orifice 17 and oil spilling mouth 21, passes through level sensing Device 18 monitors the circulation vector liquid level in fuel tank 19, and protection shutdown is carried out in low liquid level and is sounded an alarm, pouring orifice 17 is passed through Oil dropping apparatus 19 supplements circulation vector, exports circulation vector by oil spilling mouth 21 in high liquid level, prevents pressure mistake in pipe-line system It is high;
Heat-generating pipe 2 is equipped with over-temperature sensor 14;The temperature that heat-generating pipe 2 is monitored by over-temperature sensor 14, in heat-generating pipe 2 On temperature it is excessively high be more than protection threshold value when cutting heat-generating pipe 2 work and alarm;
As shown in figs. 4-7, electric cabinet 8 and temperature controller 22 carry out the entire cold and hot oil switching oil temperature control of PID accurate temperature controlling control Machine work processed, 8 primary control loop of electric cabinet pumping 7, the work of heat-generating pipe 2 or stopping, temperature controller 22 transmits a signal to automatically controlled Case 8 simultaneously mainly controls the cooling or pass of ratio adjusting valve 9, the unlatching realization of exhaust solenoid valve 20 to circulation vector in pipe-line system Close, control electronic ratio triple valve 26 adjust circulation vector flow to heat-generating pipe 2 carry out subsequent heat still flow to heat exchanger 3 into Heat exchange is gone to cool down after row, low pressure limiter 13 and over-temperature sensor 14 are electrically connected with electric cabinet;Main circuit components configuration is shown in Table 1.
1 electrical control main components inventory of table
Before use, the liquid level in the fuel tank 19 detected first according to liquid level sensor 18 carries out repairing to fuel tank 19, pass through Pouring orifice 17 carries out artificial repairing;In use, first opening the second high temperature break valve 27 and the second high temperature break valve 10, start cold and hot Oil switching Oil-temperature control machine, 8 control loop of electric cabinet pumping 7 work and open as needed the first ball valve 24 to pipe-line system into Row repairing, the hot oil that circulation pumping 7 pumps in dynamic pipe-line system are recycled, and the temperature according to the detection of the first temperature sensor 23 is logical Cross electric cabinet control the pipeline that electronic ratio triple valve 25 is opened between circulation pumping 7 and heat-generating pipe 2 still recycle pumping 7 with it is hot Then pipeline between exchanger 3 imports client's terminal mould by circulation vector outlet pipe 29, then is flowed by circulation vector inlet pipe 28 Enter gas collecting jar with ground-on cover plate 1, eventually pass back to the 7 next circulation of progress of circulation pumping, temperature controller 22 constantly receives the first temperature in cyclic process Spend sensor 23 detect circulation vector outlet pipe 29 in hot oil temperature and compared with preset temperature, when the temperature detected When higher than preset temperature, temperature controller 22, which controls exhaust solenoid valve 20 and opens, passes through the hot water vapor in gas collecting jar with ground-on cover plate 1 on fuel tank 19 Pouring orifice 17 or oil spilling mouth 21 be discharged, control electronic ratio triple valve 25 and open pipe between circulation pumping 7 and heat exchanger 3 Pass conduction oil inflow heat exchanger 3 simultaneously controls the unlatching of ratio adjusting valve 9, by cooling water to the hot oil for flowing through heat exchanger 3 Carry out heat exchange cooling, when the first temperature sensor 23 detection temperature in 22 preset threshold temperature of temperature controller, temperature controller 22 Close exhaust solenoid valve 20 and ratio adjusting valve 9;When the temperature detected is lower than temperature preset in temperature controller 22, temperature controller The 22 electronic ratio triple valves 25 of control open the pipeline guidance hot oil between circulation pumping 7 and heat-generating pipe 2 and flow into heat-generating pipe 2 and pass Defeated signal controls heat-generating pipe 2 by electric cabinet 8 and heats to the hot oil for flowing through heat-generating pipe 2, when the first temperature to electric cabinet 8 In 22 preset threshold temperature of temperature controller, electric cabinet 8 controls heat-generating pipe 2 and stops working the temperature that sensor 23 detects, and passes through Constant temperature is realized in above-mentioned control;When low pressure limiter 13 detects the hypotony of current pipeline, it is logical to transmit a signal to electric cabinet 8 It crosses it and controls the stopping heating of heat-generating pipe 2, and control the first ball valve 24 unlatching repairing pipeline and pipe-line system is mended from fuel tank 19 Oil, until low pressure limiter 13 detects that the pressure in pipe-line system stops replenishing in threshold range;When over-temperature sensor 14 When detecting that the temperature of heat-generating pipe 2 is more than preset threshold values, transmits a signal to electric cabinet 8 and stop adding by its control heat-generating pipe 2 Heat simultaneously prompts user's heat-generating pipe 2 or oil temperature machine to go wrong.
Above-described is only the preferred embodiment of cold and hot oil switching Oil-temperature control machine disclosed in the utility model, is answered It, for those of ordinary skill in the art, without departing from the concept of the present invention, can be with when pointing out Several modifications and improvements are made, these are all within the protection scope of the present invention.

Claims (2)

1. a kind of cold and hot oil switching Oil-temperature control machine, which is characterized in that including castor and rack, the bottom of rack is arranged in castor Portion, rack are equipped with electric cabinet, fuel tank, heat-generating pipe, gas collecting jar with ground-on cover plate, heat exchanger and circulating pump are arranged in sequence from top to bottom in rack Pu, gas collecting jar with ground-on cover plate, circulation are pumped through pipeline and are sequentially connected with, and are arranged in sequence on the pipeline between gas collecting jar with ground-on cover plate, circulation pumping and fuel tank Connected repairing pipeline and drain line, circulation be pumped through pipeline and electronic ratio triple valve respectively with heat-generating pipe, heat exchange Device be connected, heat-generating pipe, heat exchanger pass through circulation vector outlet pipe respectively and are connected with client's terminal mould, client's terminal mould by across The circulation vector inlet pipe of rack is connected with gas collecting jar with ground-on cover plate, is connected by pipeline with fuel tank above gas collecting jar with ground-on cover plate, the water inlet of heat exchanger It is connected with the cooling water inlet pipe for passing through rack, water outlet is connected with the cooling water outlet tube for passing through rack;It is suitable on circulation vector inlet pipe It is secondary to be equipped with the first high temperature break valve, high-temperature filter, second temperature sensor, be arranged in sequence in circulation vector outlet pipe pressure gauge, First temperature sensor, the second high temperature break valve, the first temperature sensor are connected by temperature controller with electric cabinet, and circulation vector goes out Pipeline between upper first temperature sensor and the second high temperature break valve is managed equipped with the phase at nearly gas collecting jar with ground-on cover plate with circulation vector inlet pipe Bypass circulation even, cooling water inlet pipe are equipped with ratio adjusting valve, and cooling water outlet tube is equipped with check-valves, and repairing pipeline is equipped with First ball valve, the pipeline between circulation pumping and heat-generating pipe is equipped with low pressure limiter, on the pipeline between gas collecting jar with ground-on cover plate and fuel tank Equipped with the exhaust solenoid valve for exhaust, liquid level sensor is equipped in fuel tank, fuel tank is equipped with pouring orifice and oil spilling mouth, heat-generating pipe Be equipped with over-temperature sensor, electric cabinet is electrically connected with circulation pumping, heat-generating pipe, temperature controller and ratio adjusting valve, exhaust solenoid valve, Electronic ratio triple valve electrical connection.
2. cold and hot oil switching Oil-temperature control machine according to claim 1, which is characterized in that sequentially set on the drain line There are the second ball valve and oil discharge outlet.
CN201820912203.1U 2018-06-13 2018-06-13 Cold and hot oil switching Oil-temperature control machine Active CN208475641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820912203.1U CN208475641U (en) 2018-06-13 2018-06-13 Cold and hot oil switching Oil-temperature control machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820912203.1U CN208475641U (en) 2018-06-13 2018-06-13 Cold and hot oil switching Oil-temperature control machine

Publications (1)

Publication Number Publication Date
CN208475641U true CN208475641U (en) 2019-02-05

Family

ID=65217608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820912203.1U Active CN208475641U (en) 2018-06-13 2018-06-13 Cold and hot oil switching Oil-temperature control machine

Country Status (1)

Country Link
CN (1) CN208475641U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285574A (en) * 2019-07-11 2019-09-27 苏州奥德机械有限公司 A kind of precise temperature control system based on indirect heating and multistage cooling
CN110542210A (en) * 2019-09-12 2019-12-06 苏州奥德机械有限公司 Ultra-high temperature oil temperature machine with cooling control
CN110978444A (en) * 2019-12-18 2020-04-10 爱雷德机床有限公司 Constant-temperature type mold temperature controller with double PID temperature control
CN111023568A (en) * 2019-12-04 2020-04-17 中国北方车辆研究所 Heat-conducting oil temperature stabilizing device of organic heat carrier furnace for radiator performance test
CN113154666A (en) * 2021-02-03 2021-07-23 深圳市奥德机械有限公司 Integrated mold temperature control system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110285574A (en) * 2019-07-11 2019-09-27 苏州奥德机械有限公司 A kind of precise temperature control system based on indirect heating and multistage cooling
CN110542210A (en) * 2019-09-12 2019-12-06 苏州奥德机械有限公司 Ultra-high temperature oil temperature machine with cooling control
CN111023568A (en) * 2019-12-04 2020-04-17 中国北方车辆研究所 Heat-conducting oil temperature stabilizing device of organic heat carrier furnace for radiator performance test
CN111023568B (en) * 2019-12-04 2021-03-23 中国北方车辆研究所 Heat-conducting oil temperature stabilizing device of organic heat carrier furnace for radiator performance test
CN110978444A (en) * 2019-12-18 2020-04-10 爱雷德机床有限公司 Constant-temperature type mold temperature controller with double PID temperature control
CN113154666A (en) * 2021-02-03 2021-07-23 深圳市奥德机械有限公司 Integrated mold temperature control system

Similar Documents

Publication Publication Date Title
CN208475641U (en) Cold and hot oil switching Oil-temperature control machine
CN208477404U (en) The efficient switching control machine of quick-cooling and quick-warming automatic safe
CN208477398U (en) A kind of cooling height temp controller of high-precision second level
CN108680050B (en) Conduction oil heating and cooling system with air cooling function
CN212902022U (en) Heat conduction oil heat exchange system with continuously adjustable output temperature
CN107702904B (en) Converter valve cooling system cold and hot alternation testing device and method
CN208477399U (en) Rapidly and efficiently cooling control temperature controlling machine
CN203752469U (en) Oil temperature machine
CN103883505A (en) Air compressor waste heat recycling control system based on C8051 microprocessor
CN206683224U (en) 180 DEG C of oil temperature machines
CN208529524U (en) A kind of safe high-precision serials control temperature controller
CN206703459U (en) 98 DEG C of water circulation die heaters
CN114061144A (en) Oil temperature control device and oil temperature control method
CN109974320B (en) High-temperature deionized water cooling device
CN109186091B (en) Cooling medium supply device and control method
CN205842621U (en) Steam temperature rate of change real-time monitoring system
CN107158731A (en) A kind of condensing reflux system
CN208332687U (en) Heated by natural gas oil temperature machine
CN203770110U (en) Air compressor waste heat recovery control system based on C8051 microprocessor
CN208332688U (en) Electromagnetic heating oil temperature machine
CN211636453U (en) High-temperature circulating system
CN205601113U (en) Shaping auxiliary system of injection moulding mould
CN208817719U (en) Two-shipper one branch independently controls temp controller
CN212492860U (en) Jacket steam drum heating reactor system for experimental device
CN213838860U (en) Submersible pump test equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant